Some time ago there was a problem: your AdMob account could get suspended if you enable pre-launch report in app with AdMob ads. It's because clicks during creating report where detected as your own.

Do I (in 2022) still need to handle AdMob with Pre-launch report in my mobile app or it works out of the box. Source: https://ubuverse.com/using-admob-in-your-android-app-beware-of-the-pre-launch-report/